code: def get(self, name, mode, cfg):
      for k, v in self.metrics_zoo.items():
          if k == name:
              return v(name, mode, cfg)
      raise KeyError(name, self.metrics_zoo.keys())
  
imports: from __future__ import absolute_import
  from __future__ import unicode_literals
  from __future__ import print_function
  from __future__ import division
  import io
  import logging
  import numpy
  from videotag_tsn_lstm.resource.metrics.youtube8m import eval_util
label_desc: Use image node_id 3 for calling the MetricsZoo obj's underlying member method code with example usage: obj.get(name, mode, cfg) and returns: v